{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "201894",
    "entityType": "User",
    "nonce": "0x8d325f0345f8f4446e49b22a47f14164be0ecf569406b390674689824ff01607",
    "signature": "0xe1d09c7b9f695805156c0977f42b03168e6edd42be0cd6b78ed898f2232c12f93737e2dd07abc1fcb271fec67ad3d922c8aa6c2f4b98494b0632a52a1e075f311b",
    "signer": "0xD06A00B950F1f08B348e3cEf0B75Da0010adF313",
    "userId": "238712"
  }
}